5/16" x 6" Simpson Straight Shank Masonry Drill Bit - Carbide Tip, Pkg 25 Bulk Loose Self-Drilling Screws No pre-drilling is required in

No pre-drilling is required in most applications when using Simpson Strong-Tie fasteners

Strong-Tie Quik Drive TB self-drilling wood-to-steel screws are designed to fasten wood to hot-rolled steel under 5/16" thick

while Long pins are 4-3/4” in length

Fully Threaded Design: Allows flexible embedment and accommodates varying fixture thicknesses

Durable Protection – Double-barrier coating offers corrosion resistance equal to hot-dip galvanization

5/16" x 6" Simpson Straight Shank Masonry Drill Bit - Carbide Tip, Pkg 25 Bulk Loose Self-Drilling Screws No pre-drilling is required inStrong Tie Titen masonry drill bits feature a durable carbide tip and are designed to be used with a 3 jaw style chuck to drill into concrete.